These task cards are an excellent way to get students up and moving around the room while having productive conversations about initial amount and rate of change. I use these as my bellwork for several days in a row to build automaticity in key skills. Students love the cards and catch on quickly to the process of using the cards which I explain in the video.
Person 1 has a card and quizzes Person 2 then,
Person 2 has a card and quizzes Person 1 then,
They Trade cards and go find a new partner
I tell them the number of quiz, quiz, trades to complete before sitting down again and I usually say complete 5.
Place papers on the copy machine face up and set on copy front to back for everything to line up correctly when you cut. I use card stock sometimes and just colored paper sometimes. You would laminate if you wanted.